Support arm for lighting fixture



FIG. 1 is a front view of the lighting fixture support arm;

FIG. 2 is a top view of the lighting fixture support arm;

FIG. 3 is a rear view of the lighting fixture support arm;

FIG. 4 is a bottom view of the lighting fixture support arm;

FIG. 5 is a side view of the lighting fixture support arm; and,

FIG. 6 is a left side view of the lighting fixture support arm.

The broken lines are shown for illustrative purposes only and form nopart of the claimed design.

The ornamental design for a support arm for lighting fixture, as shownand described.